A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious.
食草恐龙的主要食物可能是马尾草，这是一种类似于蕨类的植物，在史前的沼泽地带大量存在，营养丰富。
There are also sparsely distributed, highly nutritious fruits, and Bell found that only the Thomson's gazelles eat much of these.
这里也有分布稀少、营养丰富的水果，而贝尔发现只有汤姆逊瞪羚才会大量食用这些水果。
A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious, said the scientists.
科学家说，食草恐龙的主要食物大概是楔叶类、类似于蕨类的植物。这些植物在史前的沼泽地带十分丰富，而且很有营养。
A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious, said the scientists.
科学家说，食草恐龙的主要食物大概是楔叶类、类似于蕨类的植物。这些植物在史前的沼泽地带十分丰富，而且很有营养。
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